Lubricator.



FATENTBD AUG. 28, 1906.

P. W.'& R. J. GRAT-IOT.

LUBRIGATOR.

APPLICATION FILED 11u12, 1904.

w/mfssfs:

UNTTED STATES PATENT OFFICE.

FRED WiL-Eliason GRATIOT AND RENE JAMEscnAii0T.1eEARGENTA, ARKANsAs.

Specification of Letters Patent) kpplicatlon tiled Key 12, 1904. Serial No. 201,619..- l

"'rtnte Aug. es, loos.

To all, it may concern:

l Be-'tbnown that we, FRED WILKINSON Gizaiiorand RENE JAMES GRATIOT, of Argenta, in the county of Pulaski, State ofArkansas, have invented certain new and useful Im rov'ements in Lubricators, of which theY fol owing is a complete specification, refer- Vence being had to the accompanying drawmeans of securing the shell and its appurte `the top ofv a locomotive steam-chest.

' ratus is Working prpiin-rly, an indicator.

ings.

The object of our invention is to produce reliable and economical apparatus convenient of application and of manipulation for feeding a suitable lubricant, referably graphite, to the Working parts o a machine, and more particularly a steam-engine, the invention being regarded as especially useful in locomotive service.

In the accompan drawings, Figure I is a central vertical longitudinal section of our apparatus, partly in elevation, also illustrating diaammatically its operative connection wit the valve mechanism by which its operation ,is subjected to manipulative connarices rigidi in osition a screw-stud 9, bolted, as in( icate at 10, to a lug 11 upon the cylinder-head 6 may be' employed. W thin the cylinder 5 is fitted a piston-head la of suitably-packed peri he whose stem 1:3 zjirojects through a stuingox 16 in the rylimler-lwad and referab y terminates in a knob or handle 17, esigned to afford means of manipulation throu h the stem 15 of the piston-head 1,4 as for t e p ose of refilling the cylinder. The stem 15a so constitutes,

a means of determining whether the ap lae. cylinder is designe to contain a supply of suitable lubricant a. plastic state, a graph ite aste being the material preferentially employed. 15,1 indicates a filling-plug that is Aa feed cut-oil or p'l in the `cylinder throng v hichLa supply of lubricantay `intniluced-from time Vto time as often t The shell 4 is suitably bored or cons rlctd'gto ,operatively accommodate within it avalvefpiston head 19 'f20`ind a valve 21. The members 19, 20,;an`d`21coiistitute, in effeet, an operativa# .lllich is, however, preferably divisibleia rd Nor aeilita'te the assembling of it withinv the bore of the shell 4. The yalvepliston headl; preferably made integral Wit i the cutyof 0,1801 larger diam` eterthan the' cut-05.20

` threaded, to aninternall-t'hreaded aperture 55 date it toits function fits Within a chamf ber 22, provided for it,whose upper end is.

b y closed by a screw-capzthrough' prefera which a stemindicator 24 extends, stuin box 25 being provided in the cap= stem 24. The maar 2o, fitting mulyvmhm the barrel -or middle portion 26 'o e 27whicli esta escommunicatio between 'bore of the' shell, works sciuarely across a duct or passage v the interior of the cylinder 51nd the barrel f 2 6 of the boreof the shell The .valve-2l is preferably abutton-vafve, .whose seat 28 is efned in the bore of the shell 4 belowA the barrel 26 thereof.. It is .preferably forj'the osos of adjustment, secured to the end of the cut-off 20,a.s b a screw-bolt 30. The

valve Y21 from the cutoi 20, whereby the valve may be introduced into the bore ofthe shell at one end of its barrel 26, and theiciito5, with its piston-head 1 9, may be introducedA from the ot er end thereof, the' two paf-tabel ing united into an operative unit, asspecied,

8 screwbolt ail'ords t e means of dividing the s after they have been introduced into placainthe mannerv just set forth.l

Our invention is desi manipulative control t ough the employ ment of suitable Huid-pressure. operating u on the respective iston-heads 14 and 19. e ener preferab y employed is that of 'compress air, although in' `practice steam may be substituted for compressed air, particularly as emergency means of actuation-- as, for example, when a customary source of air-suppl is tem oraril cut o. In o er to a apt t e apparatus above to be subject to specified to the performance of the several functions required of it throu h the agenc of compressed air, for examp e, we provi e 3o' and threaded the shell 40.

'w ceases* in the shell 4 ports 31 and 32, withwhi'ch communicate, respectively, pipes 33 and 34l From the pipe 33 proceeds a branch 35, which, as through a port 36 in the cylinder- 5 head 6, communicates with the interiorof the cylinder 5 u on the side of thel iston 14 that is remote om the duct 27. t is not necessary that the pipes 33 and 35 should bear the relations to each other oi a main and xo branch, but simpl Vthat their relative functions are such as t at they may be so united. The pipe 33 communicates with the port 38, and the pipe 34 communicates with the ort 39, of a suitable valve-sliell 40, penetratedl by i5 vents 41 and 42, with which either of the orte 38 or 39 may be thrown, as required, into communication.`

43 indicates a: plu which, ttin within the shell 40, is rovi ed with a suita le hanzo die 44, by Whic it may be manually turned into one of two fixed positions. The plug is provided (compare Figs. I and 1I) with an air-supply passage 45 and with lateral ventpassages 48 and 47.

48 indicates a pipe communicating with a source of compressed-air supply or other source of energy. (Not illustrated.) For convenience of-assembling -it ma be provided with a nuthead 49, to whic is fitted 5() indicates a pipe lead from the rior-of the 'steam-chest, algb direct cornmunieation/tvith the shell 4 below the valve- 21, to lceomot've-lubricator. (Not illus- 3 5 trated.) The .p pe 50 is merel intended to indicate means by which lu 'ificant-laden steam may be conveyed for use from one int tonno/ther. l

The operation of our apparatus may be del @scribed as follows: -The normal position of the valve 21 is the closed position illustrated in I of the drawings. In that lposition the p u 43 occupies t e position s own in 'dotted es in I of the drawings, wherein compressed air or other fluid pressure 1s kept supplied to the pipe 33 and its branch 35. The lpressure from the pipe 33 entering the chain er 22 throughv the port 31 forces the piston-head 19 toward t e top of the 5o chamber 22, thereby eiectually forcing the valve 21 against its seat 28. .At the same time pressure from the pipe 35 entering the interior of the cylinder 5 against the piston-v` head 14 drives it toward the end 'of-its cylinder, through which the duct 27 establishes communication between it and the barrel 26 of the bore ofthe shell 4.' In 'consequence of the correlations of the valve 21, piston-head 14, their shelland cylinder, respectively, the

6o effect of air-pressure eoirrmumcated in the manner we have last described is to keep the barrel 26 filled with a constant suppy of lastio lubricant or graphite paste. A dc rminate uantity o lu iricant is ositively isolated an kept packed within t e barrel by the force applied against the piston-head 14, its escape therefrom being prevented through engagement of tlie valve 21 with its seat 28 an its discharge, as required, being effected through movement of the eut-off 20. 1c

The lubricant isolated within the shell cpnstitutes a charge' of determinate quantity which after it is isolated b the filling of the s ace rovided for it within the barrel is t erea ter neither increased nor diminished in the process of delivering it forservice, but when once isolated is kept isolated until its final discharge frm the lubricator. The ne eessity formaintaining pressure at the same time within the pipes 33 and 35 will there- 8o in full lines in Figl thep ug is shozwp as set 9c 4` in the position for the opeiung ci il, valve 21 and the discharge of the contiitllfhthe barrel 26--that is to say, for the fefitment of a charge of lubricant-into tl'ieinterior of the steam-chest. In that 4position ofthe 9'5 plug the pipe 48 is shown in position'to'deliver pressure through the passage45to the interior of the pipe 34, which` discharges throu h the port 32 above the 'pistomhead 19. t the same time the vent-passage ,'38 makes communication between' t e port 4'? andthe vent 41, thereby relieving the prelsn sure from in front of the piston-head 19 aiid,

IOO

from behind the piston-head 14. The pistoilihead 19 in conse uenee descends under pres# ,arcs` sure from above erivcd through the pipeif as specified, while the piston-head 14 simpl# remain stationary, thereby affording cut-o' of the lubricanteed supply during the discharge moveme t of the lunger 20.

It ma' be un erstood om the foregoin descriptlon'that if the handle 44 belocate IIC in the eab of a locomotive, for example, the

engineer' b mani ulation thereof ma as oftn -as yuii'ed dimtribute a charge csfr lubrisant to al the Working parts of his engine which are in erative communication with the shell 4. ",lie indicators 15 and 24 atord at all times means of ascertaining whether the a pgratus is in operative condition, the laty reason. of its double reci rocation with each complete operation of t e plunger 20 affording complete indication of its operation.

l. In a lubricator, the combination with a lubricant-inclosin receptacle, of Huid-actuated means or iso ating adcterminate quantity of Said lubricant, and a Huid-actuated member-.for discharging said isolated quantity.

2. In a lubricator, the combination with a lubricant-inclosing receptacle and a shell, of fluid-actuated means for driving lubricant from the receptacle into the shell, Huid-actuated means for confining the same within the shell, and a fluid-actuated member for discharging the lubricant from said shell.

3. In a lubricator, the combination with a lubricant-inclosing receptacle and a shell, of means for driving lubricant from the receptacle into the shell, and means for confining the same within the shell, each of said means being simultaneously fluid-actuated and fluidv actuated means for discharging the lubricant from said shell.

4. Ina lubricator, the combination with a lubricant-inclosing receptacle and a shell, of fluid-actuated means for driving lubricant from,l the receptacle into the shell, and fluidactuated means for discharging the lubricant from the shell and for simultaneously cutting off lubricant from the receptacle.

5. In a lubricator, the combination with a lubricant-inclosing receptacle and a shell, of means for driving lubricant from the receptacle into the shell, and means for confining the same within the shell, each of said means being simultaneously fluid actuated, and fluid-actuated means for discharging the lubricant from the shell and for sinlultaneously cuttin'lg off lubricant from thc receptacle. 6. h

head Within the shell upon e combination with a shell and a cylinder provided with means of interconnnunication, of a piston-head in the cylinder, a piston-head in the shell, a valve working to and from a scat in the bore of the shell and connected with the piston-head within the shell, and means ofiiuid-prcssure supplyI to the rcspective piston-heads. i

7. The combination with a shell and a cylinder provided with means ol' intcrconimunication, ol' a piston-head in the cylinder, a piston-head in lhe shell, a valve working to and from a seat in (hc bore of the shell and connected with the piston-lived within the shell, and intercorrelated means of fluid-pressure suppl f to the respective piston-heads.

8. lhe combination with a shcll and a lubricant-inclosing,r cylinder communicating therewith, o a cooperative valve and pistonoppositc sides of the means of cinununication between thc bore of the shell and the source of lubricantsupply, sapin-atc means of l'luidfessure suply to the interior ol' the shell aliove and bcow the piston-head. and means of controlling -said fluid-pressure supply for thc purpose of actuating the piston-head and, its valve.

9. The combination with a shell and a lubricant inclosing cylinder communicntiin: therewith, of 'a cooperative valve and pistonhead within the shell upon opposite sides of the means of communication between the bore of the shell and thc source of lubricantsupply, separate means of Huid-pressure suply to the interior ofthe shell a ove and beow the Vjston-head, and remotely-disposed means o controlling said fluid-pressure suply for the pur )ose of actuating the pistonead and its valve..

10. The combination with a shell provided internally with a barrel, a valve-seat at one end of the barrel, a chamber at the other end, and a source of lubricant-supply con.; lunicating with the interior ofthe barrel, of a piston-head in the chamber, a valve connected therewith working to and from the valve-seat with the rcciprocation of the piston-head, and means of operatively supplying fluidpressure above and below the piston-head within its chamber, as required.

l1. The combination with a shell provided internally with a barrel, a valve-seat at one end of the barrel, a chamber at the other end, and source of lubricant-supply communicating with the interior of the arrel, of a pistonhead in the chamber, a valve connected therewith, working to` and from the valveseat with the reciprocation of the pistonhead, an intermediate cut-ofi' and means of operatively supplyin {luid-pressure above and below the lstoncad within the chamber, as requircd.

12. The combination with a shell provided internally with a barrel, a valve-seat at one end of the barrel, a chamber at the other end, and a source of lubricaht-supply communieating with the interior ofthe barrel, of a piston-head in the chamber, a valve adj ustably connected thereto and working to and from the valve-seat with the reciprocation of the piston-head, and means o f operatively sulpplying fluid-pressure above and below t e piston-head within its chamber, as required.

'13. The combination with a shell and cylindcr provided with means of intercommunication, of a piston-head valve in the shell and a piston-head in thc cylinder, a source of lluidn'cssure su )ply to the interior of the cylinder and thil shell, respectively, and means of control of said supply.

14. 'lhc combination with a shell and cylindcr provided with means of intcrcommunication, of a piston-head valve in the shell and "piston-head in thccylindcr,asource of fluid-l prcssure supply to the interior of the cylinder and the shell, respectively, and means of control of said supply, sind means of control bcing located at a point remote from the lshell and cylinder.

l5. The combination with a shell provided with a threaded nose for securing it in lace and a e linder connected with the shel the bores o?, the cylinder and shell bein intercommnnicating, a cylinder-head, an means of securing the cylinder-head to the part to which the nose of the shell is secured, of pisried by r the ton-heads in the cylinder and bore of the shell, respectively, a valve operativel oarpietunheed in` the she and adapted 'to control the means of communication between the bores of the cylinder und 1elhel, and means for actuating said pieton- In testimony of all which We have hereunto subscribed our names.

FRED WILKINSON GRATIOD RENE JAMES GRATIOT. Witnesses:

E. KEMPE, W. B. MALLIOOAT. 

